The SmarTest Nerd 21 is a free trivia game designed for Android users by Izyplay Game Studio. It is a challenging game that puts your intelligence and knowledge to the test. The game consists of 90 questions in normal mode and 10 more in the Super Ultra Mega Nerd Challenge, which only a true genius can overcome. The game features questions about comics, games, movies, logical activities, and pranks, which will challenge your mind.

In addition, the game has a special edition called Nerd 2 + 1 Challenge, which includes all the puzzles and questions from previous versions with new graphics and new questions. The game offers over 350 challenges organized into four categories that only a true genius would be able to overcome. So, if you think you are a smart and intelligent person, come and measure your skills in The SmarTest Nerd 21, and see who is the smartest nerd on the planet.